Spentera has discovered a vulnerability in Hexamail Server, which can be exploited by malicious people to conduct script insertion attacks.

Input passed via the email body is not properly sanitised before being displayed to the user. This can be exploited to insert arbitrary HTML and script code, which will be executed in a user's browser session in context of an affected site when the malicious data is being viewed in the webmail interface.

The vulnerability is confirmed in version 4.4.5.002. Other versions may also be affected.

Solution
No effective workaround is currently available.

Provided and/or discovered by
modpr0be, Spentera

Original Advisory
http://www.spentera.com/2012/06/hexamail-server-4-4-5-persistent-xss-vulnerability/

Deep Links
Links available to Secunia VIM customers